Trailer lock



FIG. 1 is a perspective view of trailer lock showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an exploded perspective view of an ergonomic locking pin with lock cover in position to expose key receptacle. 

The ornamental design for a trailer lock, as shown and described. 